
where \(\sqrt{g} = \left(\nabla \psi \times \nabla \theta \cdot \nabla \phi \right)^{-1}\)  is the flux coordinate Jacobian. Eq. (REF ) is a normalized figure of merit which employs the triple product form for quasisymmetry [1]}, [2]},
\(\nabla \psi \times \nabla B \cdot \nabla \left(\textbf {B} \cdot \nabla B \right) = 0,\) 
